Row cover type and description:
Non-woven fabric cloth, also known as the row cover. Long-fiber nonwoven fabric, there is a good air permeability, moisture absorption, and a new translucent covering material. A layer of non-woven cover efficiency of 20% to 50% energy saving double coverage. Raise temperature 2-3 ℃.
Woven of thin, thick and thicker type, usually expressed in oz/sq.yd, such as 0.59oz/sq.yd, 0.88oz/sq.yd, 1.18oz/sq.yd and so on. Non-woven fabric cloth with different thickness, water permeability, shading rate, there are differences in the degree of aeration, covering methods and application. Generally 0.59~0.88oz/sq.yd thin woven greater degree water permeability and ventilation, light weight, can be used in open field and greenhouse, greenhouse superficial coverage can also be used to reveal a small shed, greenhouse, greenhouse thermal screen at night from the heat effect, can increase the temperature 0.7 ~ 3.0 ℃. 1.18~1.47oz/sq.yd greenhouse low permeable non-woven fabrics, shading rate larger, heavier quality, generally used as greenhouses, greenhouse thermal screen. Such non-woven fabric cloth is also suitable for greenhouses in summer and autumn shade nursery and cultivation. Thick row cover(2.9~8.8oz/sq.yd) instead of straws, grass thatch, together with greenhouse plastic sheeting and canopy coverage.
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